>>Relational Databases
- Scale Vertically : Because of the way they are structured, relational databases usually scale vertically – a single server has to host the entire database to ensure reliability and continuous availability of data.
>>NON relational Databases:
- Scale vertically :meaning that to add capacity, a database administrator can simply add more commodity servers or cloud instances. The database automatically spreads data across servers as necessary.
- Replication(high availability) :Most NoSQL databases also support automatic replication, meaning that you get high availability and disaster recovery without involving separate applications to manage these tasks. The storage environment is essentially virtualized from the developer's perspective.
- Integrated Caching:increased performance, faster accessibility
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